At power supply

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  • AT Power supply Dây dẫn 1 2 3 4 5   Giắc cắm P8 PG (dây cam) +5V (dây đỏ)  +12 V (dây vàng) ­12V (dây xanh) Tiếp đất (dây đen)   Tiếp đất (dây đen) Giắc cắm P9 Tiếp đất (dây đen)

    ppt21p trada85 18-01-2013 49 8   Download

  • Renewable energy has become a promising way to meet growing energy needs in the society. However, operation of power supply systems based on renewable energy sources (RES) depends on a number of uncontrolled factors. This imposes certain restrictions on applications and causes applicationrelated challenges. At this point, the search for the best combination of applied energy sources has been still a key issue. Methodological approaches to the solution to this problem are diverse.

    pdf10p partimesinhvien 13-05-2020 21 0   Download

  • The Indonesian government program in providing solutions of electrical energy distribution problems to get to remote or isolated areas is to optimize the potential of renewable energy in an area. The combination of conventional power plants (diesel generators) with renewable energy (photovoltaic and wind turbine) power plants is expected to solve the problem of electricity service in isolated areas in southern Tulungagung regency, namely residential area in Brumbun Beach.

    pdf7p partimesinhvien 13-05-2020 18 0   Download

  • Not many technical books continue to be in high demand well beyond the natural life of their author. It speaks well to the excellent work done by Abraham Pressman that his book on switching power supply design, first published in 1977, still enjoys brisk sales some eight years after his demise at the age of 86. He leaves us a valuable legacy, well proven by the test of time.

    pdf880p nguyenminhnghia8386 26-09-2011 147 49   Download

  • This paper presents a third order continuous time current mode RD modulator for WLAN 802.11b standard applications. The proposed circuit utilized feedback architecture with scaled and optimized DAC coefficients. At circuit level, we propose a modified cascade current mirror integrator with reduced input impedance which results in more bandwidth and linearity and hence improves the dynamic range. Also, a very fast and precise novel dynamic latch based current comparator is introduced with low power consumption.

    pdf9p kethamoi1 17-11-2019 12 0   Download

  • As a young teenager raised until 1964 in Casablanca, Morocco (a former French colony), I always dreamed of having an electric guitar. Influenced by the success of such groups as The Ventures, The Shadows (the British equivalent of The Ventures), and, later, The Beatles, I thought that I too could one day perform on stage. Fender guitars were my favorite, but since I could not afford even the cheapest model, I would try to console myself by admiring the many exorbitantly priced models displayed at a well-known music store...

    pdf235p aries23 29-09-2012 70 24   Download

  • There is an upward trend that human activities involve more electric power nowadays and for years to come. And we will soon be facing shortage of electricity supply if we rely solely on non-renewable power generation from fossil fuels such as coals. Renewable energy generation has proven effective in meeting the demand.

    pdf157p namde01 10-04-2013 85 10   Download

  • Energy efficiency is finally a common sense term. Nowadays almost everyone knows that using energy more efficiently saves money, reduces the emissions of greenhouse gasses and lowers dependence on imported fossil fuels. We are living in a fossil age at the peak of its strength. Competition for securing resources for fuelling economic development is increasing, price of fuels will increase while availability of would gradually decline.

    pdf0p orchid_1 25-09-2012 50 3   Download

  • Every employee has a story at Cummins Power Generation. Some are stories of coming to work with a parent when they were young, becoming employees themselves, then watching their children as they carry on the legacy. Others tell of starting at a distributorship and moving on to one of the many Cummins Power Generation offices located around the world. Some tell of starting at a regional office, before moving to global headquarters. Others talk of their days as customers working for utility companies.

    pdf20p possibletb 29-11-2012 49 3   Download

  • This paper presents preliminary results of actual measured and simulated performances of a first year 806.52 kWp grid connected photovoltaic power plant located at Assa, southern Morocco (28.63°N - 9.47°W). The PV system consists of 8 AICHI on-grid PV inverters, 100 kVA each and 3432 SHARP Brand 235 kWp modules. The plant is divided into two groups of 4 inverters, each inverter is supplied by a PV field consisting of 33 strings of 13 seriesconnected modules facing south at a fixed tilt of 20°.The data presented in this study were monitored during the first year of operation of the plant.

    pdf10p kien098 16-10-2019 23 0   Download

  • Within the Euratom research and training program 2014–2018, three projects aiming at securing the fuel supply for European power and research reactors have been funded. Those three projects address the potential weaknesses – supplier diversity, provision of enriched fissile material – associated with the furbishing of nuclear fuels.

    pdf6p christabelhuynh 29-05-2020 1 0   Download

  • This study aims to examine the charging current of a solar energy hybrid generator with a Genset / Diesel and the time used to fill the accumulator in conditions without load and load conditions. The results showed that the solar energy hybrid generator and Genset / Diesel prototypes were able to produce electrical power at 08.00 - 17.00 in the average sunny weather of 290.7 Wp without loading and at the time of load of 236.4 Wp. At night, the energy stored in the battery is converted into electrical energy to supply the load. Thus it can save electrical energy.

    pdf7p cleopatrahuynh 01-06-2020 4 0   Download

  • In this lecture we look at the supply side of the BOP market for financial services, developing a view of who serves the market and how, as well as a better understanding of the gaps. But first let’s look at two very different kinds of players who are already in those markets, doing business with BOP clients.

    ppt41p nanhankhuoctai9 23-07-2020 4 0   Download

  • Khuyếch đại công suất âm thanh 4W-8W dùng TDA2005 Power Supply 9–18V at 1–2 A 8 W RMS/ch. at 2ohm 16V DC supply. 6W RMS/ 4ohm 16V DC supply 4W RMS/ 4ohm 12V DC supply 80 dBA. ~160 mV for full output ~31 dB maximum. C7-11=2200uF 16V C8-12=220uF 25V IC1=TDA2005 J1=2 Pole Terminal Block J2-3=3 Pole Terminal Block : MKð âm thanh 60W dùng TDA7294 Input sensitivity Input impedance Frequency response Slew rate Output power S/N ratio THD (40W into 8W) Power Supply R1=180ohm R2-3-5=10Kohm 1.3V (50W into 8W) 10K 15Hz - 100kHz 10V/uS 50W into 8W (0.1% THD) 82W into 4W (0.

    pdf34p vuongcdt_93 20-08-2012 527 142   Download

  • Operating / Parts Information You must be familiar with the operation of this machine before you attempt to troubleshoot or make any repairs to it. Basic operating and maintenance procedures are described in the Operator’s Manual supplied with the machine. Keep a copy of it with the machine at all times. Use the separate Parts Book supplied with the machine to order replacement parts. If either of the documents becomes lost, please contact Wacker Corporation to order a replacement.

    pdf59p hiruscar 13-10-2010 113 27   Download

  • For this lab, you will need to compile power supply information as well as test procedures. Observe various types of power supply form factors and characteristics. If at any time you are unsure of the procedure, ask your instructor.

    pdf4p laquang 03-09-2009 136 18   Download

  • If each voltage is connected to a circuit with the same power factor and the three currents return along the same conductor, then the vector sum of the three return currents is zero. Thus instead of three full sized return cables, only one of smaller size is needed. If none of the load is single phase, then the neutral is not needed at all. High voltage supplies are nearly always three phase without a neutral conductor. There is a great economy in distribution costs if the electricity can be supplied in three phases. ...

    pdf0p namde01 11-04-2013 58 9   Download

  • At the end of this lecture, students should be able to understand the concept of Just-in-time, identify and address three major issues managers must address, differentiate between push and pull scheduling, understand the lean thinking concepts and how it can be applied to cutting waste out of supply chains.

    ppt45p nomoney9 04-04-2017 40 8   Download

  • These power ratings and currents are given for an ambient temperature of 50°C (122°F) at the factory-set switching frequency, used in continuous operation (factory-set switching frequency of 4 kHz for ATV71H 037M3 to D15M3X and 2.5 kHz for ATV71H D18M3X to D45M3X). Above this factory setting, the drive will reduce the switching frequency automatically in the event of excessive temperature rise. For continuous operation above the factory setting, derating must be applied to the nominal drive current in accordance with the curves on page 14. (2)Current on a line supply with the “Max.

    pdf49p ducthaobg83 25-09-2012 73 7   Download

  • Automatic Voltage Regulator adjusts the excitation so that at the system design power factor, the voltage is correct whatever the current. If however it adjusts the excitation to give the correct voltage at other power factors, then two machines will not run in parallel. One can supply a huge leading current and the other a huge lagging current. A “droop” is needed to give a lower voltage if the power factor lags by more than the system design. This is achieved by the compounding. Faulty Compounding causes unstable sharing of kVAr which can be quite violent....

    pdf221p tuanloc_do 04-12-2012 45 7   Download



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